The Sony A55 Key Features and Specification Review

The Sony A55 camera that uses Transparent Reflection Technological innovation to offer high-speed capturing and a compact sized bodily proportions. Compared to a conventional DSLR camera, Transparent Reflection Technological innovation uses a fixed, translucent mirror that divides the visual process between the main image indicator and a separate phase-detection auto-focus indicator, and offers a simple mechanical design that enables you to be more compact. The 16.2 mega-pixel A55 features up to 10fps rush capturing, built-in GPS tracking, 1080i HD Movies with ongoing auto-focus during capturing, 15-point phase-detection auto-focus system, Quick AF Live View, a 3-inch free-angle LCD, a Tru-Finder (Electronic Viewfinder) with 100% coverage, 3D Brush Panoramas, Auto HDR and Multi-frame Noise Reduction.

Sony A55 Review
Sony A55 Review

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Sony A55 Key Features

  • 16.2MP (effective) APS HD CMOS sensor
  • Fixed, pellicle-type semi-translucent mirror
  • Maximum ISO 12,800 (with a quasi-ISO 25,600 ‘Multi-frame NR’ option)
  • 15-point phase-detection AF range with 3 cross-type AF points
  • Electronic viewfinder with 1.15 thousand dot resolution
  • Built-in GPS
  • Electronic stage in EVF/LCD with pitch/roll indicator
  • Dual-purpose Storage Stick/SD cards slot
  • 10fps ongoing capturing rate
  • 1080p AVCHD film method with ongoing AF
  • Articulated 3in ‘TruBlack’ LCD with 912k dots
  • socket for exterior microphone
  • 2x zoom method in stay view
  • Face-detection AF (focus via closest phase-detection AF point)
Sony a55 Procissing Engine
Sony a55 Procissing Engine

Sony A55 Images Quality

The A55 16.2MP indicator is able to fine outcomes. Right up to its highest possible ‘standard’ ISO establishing of ISO 12,800 the A55 provides specific, useful JPEG, which – combined with efficient metering – create the A55 a very flexible partner in a variety of different capturing circumstances. The A55 also has a very extensive powerful variety in JPEG method of almost 9EV which indicates that supposing metering is precise, emphasize cutting is not a issue in all but the most complicated of moments.

The A55 .ARW RAW information are a better place to start for anyone enthusiastic about getting the overall best out of the 16MP CMOS indicator, but the A55’s JPEGs are certainly excellent enough for most reasons. At least, there is not the beach in image quality between JPEG and RAW information from the A55 that we have seen with some past low-end and mid-range Leader DSLRs.

Automatic HDR

The SLT Leader A55 offers Sony ‘Auto HDR’ function, that requires three photos of the same field at different exposures, then brings together them to generate only one picture that has a bigger range of shades than would be possible from only one visibility.

Sony A55 Images Quality Auto HDR
Sony A55 Images Quality Auto HDR

The A55 requires three pictures – one of the ‘correct’ visibility plus one over-exposed picture to catch darkness details and one underexposed picture for emphasize details would otherwise be losing. The depth of the visibility gap between these three photos can either be selected instantly by the camera or set personally. Here, we’ve proven you four pictures, comprising ‘off’ to +6EV HDR effect.

Multi-shot NR

Multi-shot NR is a new method, which becomes successfully an ‘extension’ ISO establishing available in JPEG catch method. When set to multi-shot NR, the A55 takes 6 supports in a fast rush, then instantly adjusts them to eliminate any trembling digicam, and combinations them together to build a last picture.

Sony A55 Images Quality
Sony A55 Images Quality

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Sony A55 Specifications

Price (with 18-55 mm kit lens) • US: $749
• EU: €850
Body material Plastic
Sensor • APS-C “Exmor” HD CMOS
• 16.7 million total pixels
• 16.2 million effective pixels
• RGB (Primary) color filter array
Image sizes • 4912 x 3264 (3:2)
• 3568 x 2368 (3:2)
• 2448 x 1624 (3:2)
• 4912 x 2760 (16:9)
• 3568 x 2000 (16:9)
• 2448 x 1376 (16:9)
Image sizes (Video) • AVCHD:
• 1920 x 1080, 59.94i (from 29.97fps sensor output)
• MP4:
• 1440 x 1080, 29.97p or 25p, depending on region
• 640 x 480, 29.94 fps
Aspect ratios • 3:2
• 16:9
• variable (Sweep Panorama)
File formats • RAW
• RAW + JPEG Fine
• JPEG (EXIF 2.2) – Standard
• JPEG (EXIF 2.2) – Fine
File formats (Movie) • AVCHD Ver. 1.0 compliant Video: MPEG-4 AVC/H.264
• MPEG-4 AVC/H.264
Lenses • Sony A-mount
• Konica-Minolta AF mount
Focus modes • Auto Focus (15-point phase-detection AF system)
• Manual focus
• Face Detection
• AF Tracking
AF assist lamp Yes, dedicated lamp
Image stabilization Super SteadyShot INSIDE
Extended optical zoom N/A
Digital zoom N/A
Exposure modes • Program AE
• Aperture priority AE
• Shutter priority AE
• Manual
• Auto
• Auto +
• High-speed mode (10-fps)
• Sweep Panorama (2D/3D)
• SCN (see below)
• Flash off
Scene modes • Portrait
• Sports Action
• Macro
• Landscape
• Sunset
• Night view
• Hand held Twilight
• Night portrait
Scene modes (movie) • Portrait
• Sports Action
• Macro
• Landscape
• Sunset
• Night view
• Hand held Twilight
• Night portrait
Sensitivity • Auto
• Intelligent ISO 100,200, 400, 800, 1600, 3200, 6400, 12800, 25600 (multi-shot NR mode – JPEG only)
ISO steps 1/3 or 1.0 EV
Metering range -2 to 17 EV
Metering modes • 1200-zone multi-segment
• Center-Weighted
• Spot
AE Lock • AEL/AFL button
• With shutter release half-press
AE Bracketing • 3 frames
• in 1/3 or 2/3
Exposure compensation • -2 to +2 EV
• 1/3 EV steps
Shutter speed • 60 -1/4000 sec.
• Bulb
• Flash X-sync 1/160 sec
White balance • Auto
• Daylight
• Shade
• Cloudy
• Incandescent
• Fluorescent
• Flash
• Kelvin temp (2500 – 9900K, 100K steps)